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Lena [83]
4 years ago
7

Can someone help plz!?

Physics
1 answer:
Verizon [17]4 years ago
5 0
With what? maybe I can help?
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A person throws a 0.21-kg ball straight up into the air. It reaches a height of
Brrunno [24]

Answer:

A

Explanation:

As it begins to fall

F = ma        a = 9.81

F = .21 * 9.81 = 2.06 N

7 0
2 years ago
What units should be used when measuring the mass of a ladybug?
Aleks [24]
You could use grams hope this helps
3 0
3 years ago
A car is raised on a lift at a service station (so it has some amount of gravitational potential energy relative to the ground).
kenny6666 [7]

Answer:Twice

Explanation:

It is given that car is raised on a lift with respect to ground.

Suppose car is raised by a height of h m from ground having mass m so gain in Potential Energy by car is

Gain in P.E._1=m\times g\times h

Now if it were raised twice as high,i.e. 2 h height from ground then gain in Gravitational Potential Energy

=m\times g\times 2h

P.E._2=2m\cdot g\cdot h

It is clear that P.E._2=2\cdot P.E._1

Thus in second case gain in Potential Energy is twice as compared to first case

8 0
4 years ago
Rainfall in tropical rainforests amounts to about 10 to 14 feet per year.
Savatey [412]

<u>Answer:</u>

The statement is true statement

<u>Explanation:</u>

Tropical rainforests are dry and green throughout the year. Even between the day and the night, temperatures don't change much. in tropical rainforests The average temperature varies from 70 to 85 °F (21 to 30 °C) .

Throughout tropical rainforests, the climate is quite wet, maintaining a humidity level of 77% to 88% year around which is a high value. The annual rainfall is between 80 and 400 inches (200 and 1000 cm), that is 6-33 feets, and it can rain heavily. It can drain as much as 5 cm (2 inches) in an hour.

4 0
3 years ago
Read 2 more answers
What creates linear and rotary motion
Phantasy [73]

Answer:

A slider Crank Mechanism creates linear and rotary motion

Explanation:

7 0
4 years ago
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